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Title: Current ramp-up by lower hybrid waves in the PLT tokamak

Technical Report ·
DOI:https://doi.org/10.2172/6117325· OSTI ID:6117325

Recent lower hybrid current drive experiments have clearly demonstrated that the current in a tokamak discharge can be maintained by rf drive alone. We have extended the operating regime of such plasma to include ramping-up of the current. We find that at densities of approx. 2 x 10/sup 12/ cm/sup -3/ approximately 25% of the launched rf power is converted to magnetic field energy.

Research Organization:
Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
DOE Contract Number:
AC02-76CH03073
OSTI ID:
6117325
Report Number(s):
PPPL-2200; ON: DE85008922
Country of Publication:
United States
Language:
English